Question

DATE:
3) The following is
marks:
the frequency distribution of
6o-to
70-80
Total
Mark
20-30 30-40 40-50 50-60
30
students
No. of
b
100
Is a and b are equal, find their values Draw a
chistogram and a frequency polygon.​

Answer 1

Answer:

Step-by-step explanation:

Bloødy Sunday in 1905 and the Russian defeat in the Russo-Japanese War both helped lead to the 1917 revolution. After taking over, the Bolsheviks promised 'peace, land, and bread' to the Russian people. In 1917 Lenin returned to Russia from exile with German help.